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############################################################################
#
# File: bme.icn
#
# Subject: Program to edit bitmap
#
# Author: Clinton L. Jeffery
#
# Date: June 17, 1994
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# Version: 2.0
#
############################################################################
#
# A bitmap editor. This is really the PixMap editor
# pme.icn with colors set to black and white, and color changes disabled.
#
# Left and right mouse buttons draw black and white.
# Press q or ESC to quit; press s to save. Capital "S" prompts for
# and saves under a new filename.
#
############################################################################
#
# Requires: Version 9 graphics
#
############################################################################
#
# Links: wopen, xcompat
#
############################################################################
link wopen
link xcompat
global w, WIDTH, HEIGHT, XBM, LMARGIN
global colors, colorbinds
procedure main(argv)
local i, f, s, xpos, ypos, i8, j, j8, j8Plus, e, x, y
colors := [ "black", "white", "white" ]
i := 1
XBM := ".xbm"
WIDTH := 32
HEIGHT := 32
if *argv>0 & argv[1][1:5]=="-geo" then {
i +:= 1
if *argv>1 then argv[2] ? {
WIDTH := integer(tab(many(&digits))) | stop("geo syntax")
="x" | stop("geo syntax")
HEIGHT := integer(tab(0)) | stop("geo syntax")
i +:= 1
}
}
LMARGIN := WIDTH
if LMARGIN < 65 then LMARGIN := 65
if (*argv >= i) & (f := open(s := (argv[i] | (argv[i]||XBM)))) then {
close(f)
w:= WOpen("label=BitMap", "image="||s, "cursor=off") |
stop("cannot open window")
WIDTH <:= WAttrib(w, "width")
HEIGHT <:= WAttrib(w, "height")
pos := WAttrib(w, "pos")
pos ? {
xpos := tab(many(&digits)) | stop(image(pos))
=","
ypos := tab(0)
}
WAttrib(w, "posx="||xpos, "posy="||ypos,
"width="||(WIDTH*8+LMARGIN+5), "height="||(HEIGHT*8))
Event(w)
every i := 0 to HEIGHT-1 do {
i8 := i*8
every j := 0 to WIDTH-1 do {
j8 := j*8
j8Plus := j8 + LMARGIN + 5
CopyArea(w, w, j, i, 1, 1, j8Plus, i8)
CopyArea(w, w, j, i, 1, 1, j8Plus+1, i8)
CopyArea(w, w, j8Plus, i8, 2, 1, j8Plus+2,i8)
CopyArea(w, w, j8Plus, i8, 4, 1, j8Plus+4, i8)
CopyArea(w, w, j8Plus, i8, 8, 1, j8Plus, i8+1)
CopyArea(w, w, j8Plus, i8, 8, 2, j8Plus, i8+2)
CopyArea(w, w, j8Plus, i8, 8, 4, j8Plus, i8+4)
}
}
}
else {
w:= WOpen("label=BitMap", "cursor=off", "width="||(LMARGIN+WIDTH*8+5),
"height="||(HEIGHT*8+5)) |
stop("cannot open window")
}
colorbinds := [ XBind(w,"fg="||colors[1]),
XBind(w,"fg="||colors[2]),
XBind(w,"fg="||colors[3]) ]
every i := 1 to 3 do {
XDrawArc(w, 4+i*10, HEIGHT+68, 7, 22)
XFillArc(colorbinds[i], 5+i*10, HEIGHT+70, 5, 20)
}
DrawRectangle(w, 5, HEIGHT+55, 45, 60)
DrawRectangle(w, 25, HEIGHT+50, 5, 5)
DrawCurve(w, 27, HEIGHT+50,
27, HEIGHT+47,
15, HEIGHT+39,
40, HEIGHT+20,
25, HEIGHT+5)
Fg(w, "black")
every i := 0 to HEIGHT-1 do
every j := 0 to WIDTH-1 do
DrawRectangle(w, j*8+LMARGIN+5, i*8, 8, 8)
DrawLine(w, 0, HEIGHT, WIDTH, HEIGHT, WIDTH, 0)
repeat {
case e := Event(w) of {
"q"|"\e": return
"s"|"S": {
if /s | (e=="S") then s := getfilename()
write("saving image ", s, " with width ", image(WIDTH),
" height ", image(HEIGHT))
WriteImage(w, s, 0, 0, WIDTH, HEIGHT)
}
&lpress | &ldrag | &mpress | &mdrag | &rpress | &rdrag : {
x := (&x - LMARGIN - 5) / 8
y := &y / 8
if (y < 0) | (y > HEIGHT-1) | (x > WIDTH) then next
if (x < 0) then {
# if &x < 21 then getacolor(1, "left")
# else if &x < 31 then getacolor(2, "middle")
# else getacolor(3, "right")
# until Event(w) === (&mrelease | &lrelease | &rrelease)
}
else dot(x, y, (-e-1)%3)
}
}
}
end
#procedure getacolor(n, s)
# wtmp := WOpen("label=" || labelimage(s||" button: "), "lines=1") |
# stop("can't open temp window")
# writes(wtmp,"[",colors[n],"] ")
# theColor := read(wtmp) | stop("read fails")
# close(wtmp)
# wtmp := colorbinds[n] | stop("colorbinds[n] fails")
# Fg(wtmp, theColor) | write("XFG(", theColor, ") fails")
# XFillArc(wtmp, 5+n*10, HEIGHT+70, 5, 20)
# colors[n] := theColor
#end
procedure dot(x, y, color)
if (x|y) < 0 then fail
FillRectangle(colorbinds[color+1], x*8+LMARGIN+5, y*8, 8, 8)
DrawPoint(colorbinds[color+1], x, y)
DrawRectangle(w, x*8+LMARGIN+5, y*8, 8, 8)
end
procedure getfilename()
local s, pos, wprompt, rv
pos := "pos="
every s := QueryPointer() do pos||:= (s-10)||","
wprompt := WOpen("lable=Enter a filename to save the pixmap",
"font=12x24", "lines=1", pos[1:-1]) | stop("can't xprompt")
rv := read(wprompt)
close(wprompt)
if not find(XBM, rv) then rv ||:= XBM
return rv
end
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